<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png"
             alt="" />
      </div>
      <el-form label-width="0px"
               class="login_form"
               :model="loginForm"
               :rules="loginFormRules"
               ref="loginFormRef">
        <!--  -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username"
                    prefix-icon="el-icon-search"></el-input>
        </el-form-item>
        <!--  -->
        <el-form-item prop="password">
          <el-input type="password"
                    v-model="loginForm.password"
                    prefix-icon="el-icon-search"></el-input>
        </el-form-item>
        <!--  -->
        <el-form-item class="btns">
          <el-button type="primary"
                     @click="login">登陆</el-button>
          <el-button type="primary"
                     @click="reserLogInForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Login',
  data () {
    return {
      loginForm: {
        wsername: 'admin',
        password: '123456'
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入登陆名称', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登陆密码', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 6 到 105个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    reserLogInForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) {
          const { data: res } = await this.$http.post('login', this.loginForm)
          if (res.meta.status !== 200) {
            this.$message.error('登陆失败')
          } else {
            this.$message.success('登陆成功')
          }
          console.log(res)
          window.sessionStorage.setItem('token', res.data.token)
          this.$router.push('/home')
        }
      })
    }
  }
}
</script>

<style scoped=true>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
}

.avatar_box img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #eeeeee;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
